6 volt to 12 volt austin 7

[Reckless Rat]

On the subject of batteries. My car has an exide 80Ah 6v battery. I keep it topped up when not in use by connecting it to an accumate conditioner. When running I set the charge to winter for the first mile or so just to put back what was used up in starting and then run on summer setting with the 3rd brush set to give about 1amp. The battery was new in 2011.